Usage:
Clay Mesa Tongue of Mancos Shale (NM*)
Geologic age:
early Late Cretaceous (Cenomanian)*
Type section, locality, area and/or origin of name:
Type section: in secs. 20 and 21, T. 10 N., R. 5 W., Laguna quadrangle, Valencia Co., NM. Named from exposures on east and south side of Clay Mesa, about 3 mi northwest of Laguna, Valencia Co., NM (Landis and others, 1973).
AAPG geologic province:
San Juan basin*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).